详细解释:n. 铁路, 铁路公司
vt. 铺设铁路, 用铁路运输
vi. 在铁路工作
【经】 铁道, 铁路
词型变化：
名词:railroader动词过去式:railroaded过去分词:railroaded现在分词:railroading第三人称单数:railroads英语解释：
名词 railroad:
line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight同义词：railway, railroad line, railway line, railway system